It's really horrible I must say. I sometimes have geometry issues and then try to go one by one through them and fix these cases. Therefore I mark the area points and delete them for instance. After ...

I have got a shapefile consisting of a number of polygons, and another shapefile with a number of points.
I want to add a column in the points shapefile. For each point, I want the column to contain ...

I have an algorithm, that generates random points with in a given polygon (Generate random points in polygon. Algorithm question). The Polygons the points are generated in are communities or districts ...

I have two tables one containing points (points) and the other polygons (polygons). I want to generate a two-columns table identifying for each point of the first table the polygon containing it. So ...

I have a strange problem that i believe its because the zone pass through international date line.
My goal is to find if a point is within a zone and I use the geoPHP library, everything seems to be ...

Task with example
I'm working with geodata (country-size) from openstreetmap. Buildings are often polygons without housenumbers and a single point with the housenumber is placed within the polygon of ...

I have a Polygon Shapefile that represents US counties and a Point Shapefile that represents hospitals. The hospital attributes table includes fields like "Number of Beds", "Number of Patients" and ...

I have a geojson list of lat/long coordinates that make up a custom polygon of a section of my county. Ideally I would like to be able to find all the addresses that are within the polygon boundaries.
...

This seems really simple but I can't get it to work.
I have two feature classes, a polygon of sales areas for a city, and point layer of addresses. I want to select the addresses based on the sales ...

I am new to GIS and interested in using Geoserver. I have had a look at tutorials and read some books on this but still feeling clueless. I intend to use C# to accomplish some tasks eg, plot points on ...

I have polygon and point feature classes. Every polygon have 2 points inside them. For output I need only one point with highest value. I need incorporate this step in ModelBuilder.
I had idea about ...

I'm going through the Geodjango tutorial and trying to implement in my own project - I have loaded data from a shapefile into my model/database and I have a separate model that has a PointField. I am ...

My question is similar to this post, but because there are no "perfect" answer and above all no reproducible example I open this question.
I have a "SpatialPolygonsDataFrame" and a data frame. Both ...

I have tried to find a plugin for this, with no luck.
Perhaps someone knows of a plugin that can do the following:
In this project I create a lot of polygons that contain points, and the size of the ...

I have a number of polygons on which I wish to make analysis using points data symbols... Is there a method through which I may add points automatically within each polygon in separate locations. For ...

I have two tables, boundary polygon table and location point table. I need to find all boundary polygons that contain at least 1 location point. What is the proper way to do this in PostGIS?
I tried:
...

I have a series of 500m buffer zones along a polyline. I also have a series of points following the line, each point represents a 10m x 10m cell. I calculated the values of a field in each point known ...

I'm creating a polygon and then checks whether one of the origin points is contained inside the polygon. To my surprise, I get False (?!)
What is wrong here?
SELECT ST_contains(ST_GeomFromText('POINT ...

I am investigating using some C/C++ libraries for point-in-polygon lookups and libspatialindex seems popular. I've written some code that seems to do what I want but I'm not entirely sure if what I ...

All,
We're using parcel data (polygon) to count student locations (point) based on parcel type. We're doing this using SQL and the ST_Intersects function.
It works great, except the City and County ...

For an application I want to determine under which constituency a given coordinate falls. After looking at the various options, I decided upon shapely and fiona as the easiest way to implement this. ...

I am fairly new to PostGis and I'm trying to return a row in my table that has the shape file containing a lat long point I pass in via st_contains. Below is a query I wrote myself that brings back 0 ...

I have two feature classes one with points one with polygons (in ArcGis 10.2). Now, I want to write into a String Field of the polygon layer a list of all the Point-FIDs that are within each polygon ...